![Marianne de Backer](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Marianne de Backer
Chief Executive Officer at
VIR BIOTECHNOLOGY, INC.
Net worth: 8 M $ as of 30/01/2026
Profile
Marianne de Backer is currently Chief Executive Officer & Director at Vir Biotechnology, Inc. since 2023, President & Chief Executive Officer at Agenovir Corp., Director at EcoHealth Alliance, Inc., Director at Biotechnology Innovation Organization since 2024, and Director at Gladstone Foundation (CA) since 2017.
Former roles include Independent Director at Arrowhead Pharmaceuticals, Inc. from 2019 to 2023, Independent Director at Kronos Bio, Inc. from 2021 to 2023, Director at AskBio Inc. from 2020 to 2023, Director at Vividion Therapeutics, Inc. from 2021 to 2023, Director at BlueRock Therapeutics LP from 2022 to 2023, Vice President-Mergers & Acquisitions Operations at Johnson & Johnson from 1991 to 2019, and EVP & Head-Global Business Development & Licensing at Bayer AG from 2019 to 2023.
Education includes graduate and doctorate degrees from Ghent University, a graduate degree from Vrije Universiteit Brussel, and an MBA from Rotterdam School of Management.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 22/02/2026 | 1,088,584 ( 0.78% ) | 8 M $ | 30/01/2026 |
Marianne de Backer active positions
| Companies | Position | Start |
|---|---|---|
| VIR BIOTECHNOLOGY, INC. | Chief Executive Officer | 02/04/2023 |
EcoHealth Alliance, Inc.
 EcoHealth Alliance, Inc. Miscellaneous Commercial ServicesCommercial Services Provides health services | Director/Board Member | - |
Gladstone Foundation (CA)
 Gladstone Foundation (CA) Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit life science research organization that focuses on biomedical and technological fields | Director/Board Member | 31/08/2017 |
Agenovir Corp.
 Agenovir Corp. Pharmaceuticals: MajorHealth Technology Engages in research and development of human therapeutics for the treatment of diseases | Chief Executive Officer | - |
Biotechnology Innovation Organization
 Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology advocacy organization representing biotech companies, industry leaders and state biotech associations | Director/Board Member | 31/05/2024 |
Former positions of Marianne de Backer
| Companies | Position | End |
|---|---|---|
| KRONOS BIO, INC. | Director/Board Member | 22/06/2023 |
| ARROWHEAD PHARMACEUTICALS, INC. | Director/Board Member | 01/04/2023 |
| BAYER AG | Corporate Officer/Principal | 28/02/2023 |
AskBio Inc.
 AskBio Inc. BiotechnologyHealth Technology Engages in the development and delivery of novel protein and cellular based therapies | Director/Board Member | 31/12/2022 |
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Training of Marianne de Backer
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
90
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
Johnson & Johnson
 Johnson & Johnson Pharmaceuticals: MajorHealth Technology Operates as an investment holding company with interests in health care products | Health Technology |
Arrowhead Pharmaceuticals, Inc.
 Arrowhead Pharmaceuticals, Inc. BiotechnologyHealth Technology Develops novel drugs to treat intractable diseases | Health Technology |
Bayer AG
 Bayer AG Pharmaceuticals: MajorHealth Technology Provides health care, nutrition and high-tech material services | Health Technology |
AskBio Inc.
AskBio Inc. BiotechnologyHealth Technology Engages in the development and delivery of novel protein and cellular based therapies | Health Technology |
Biotechnology Innovation Organization
Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology advocacy organization representing biotech companies, industry leaders and state biotech associations | Commercial Services |
Ghent University
 Ghent University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Vrije Universiteit Brussel
 Vrije Universiteit Brussel Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
EcoHealth Alliance, Inc.
EcoHealth Alliance, Inc. Miscellaneous Commercial ServicesCommercial Services Provides health services | Commercial Services |
Gladstone Foundation (CA)
Gladstone Foundation (CA) Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit life science research organization that focuses on biomedical and technological fields | Commercial Services |
Rotterdam School of Management
 Rotterdam School of Management Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Vividion Therapeutics, Inc.
 Vividion Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology research company which develops precision therapeutics for cancers and immune disorders | Health Technology |
Agenovir Corp.
Agenovir Corp. Pharmaceuticals: MajorHealth Technology Engages in research and development of human therapeutics for the treatment of diseases | Health Technology |
Vir Biotechnology, Inc.
 Vir Biotechnology, Inc. BiotechnologyHealth Technology Develops cures and treatments drug for viral & bacterial diseases | Health Technology |
Kronos Bio, Inc.
 Kronos Bio, Inc. Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biopharmaceutical company that develops novel cancer therapeutics | Health Technology |
BlueRock Therapeutics LP
 BlueRock Therapeutics LP Miscellaneous Commercial ServicesCommercial Services Operates as an engineered cell therapy company which develops regenerative medicines for intractable diseases | Commercial Services |
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